388500625

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{15161}}^1$

素因数の和:15222

約数の個数: 20

約数和(自身を含む): 497343924

約数和(自身を除く): 108843299

約数列:

[1, 5, 25, 41, 125, 205, 625, 1025, 5125, 15161, 25625, 75805, 379025, 621601, 1895125, 3108005, 9475625, 15540025, 77700125, 388500625]

約数ペア:

[(1, 388500625), (5, 77700125), (25, 15540025), (41, 9475625), (125, 3108005), (205, 1895125), (625, 621601), (1025, 379025), (5125, 75805), (15161, 25625)]